The Invisible Ray
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The last of Universal's three Boris Karloff-Bela Lugosi teamings of the mid-1930s, The Invisible Ray is dominated by Karloff as Dr. Janos Rukh, the inventor of a laser-like heat ray. Despite the scoffing of his colleagues, Rukh intends to use the ray for the benefit of mankind, but first he requires a new element called "Radium X" to perfect his invention. Before long, he has embarked upon an expedition to Africa in search of a radium source, accompanied by his beautiful young wife Diane (Frances Drake), handsome young scientist Ronald Drake (Frank Lawton) and financiers Sir… More
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Rotten Tomatoes Score: 80%

Critic Reviews from Rotten Tomatoes

"other than being lightly entertaining, this science fiction pic is no Frankenstein."
‑ Dennis Schwartz, Ozus' World Movie Reviews
"Lesser of Lugosi-Karloff pairings, still not bad"
‑ Steve Crum, Kansas City Kansan
"What really sells the film is less its impressive look and sound or unusually expansive length, but more the fact that it's completely all about its two stars."
‑ Ken Hanke, Mountain Xpress (Asheville, NC)
More reviews for The Invisible Ray on Rotten Tomatoes